Wingspan 8-10 mm.
The males and females of this moth have different colourations. The males have pale grey forewings and those of the female are white.
This is a species found associated with scots pine (Pinus sylvestris) and has been confused with another pine-feeding species, Ocnerostoma piniariella. Separation of these two is by dissection.
The species is bi- or trivoltine, with flight periods in March to May, August and sometimes November.